> For the complete documentation index, see [llms.txt](https://docs.nftbutler.io/nft-butler/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nftbutler.io/nft-butler/more-resources/faq/a-javascript-error-occurred.md).

# A JavaScript error occurred

* If you get an error like screenshot below when starting butler, please reset token bidding jobs manually before starting again: Please delete `redis-dump.rdb` in `C:\Users\<Username>\AppData\Roaming\NFTbutler`
* Then restart your computer and start Butler again Reason for this error: If Butler is closed while storing the latest Job information on your harddisc, the dump can be corrupted which gives Butler a hard time loading it again when starting.\ <br>

<figure><img src="/files/QzDvURfbf4ma5bNz8oAk" alt=""><figcaption></figcaption></figure>